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1دورية أكاديمية
المصدر: Frontiers in Ecology & the Environment; Oct2007, Vol. 5 Issue 8, p399-399, 1p
مصطلحات موضوعية: ECOLOGISTS, CERTIFICATION, EXPERTISE, EDUCATIONAL standards, PROFESSIONAL standards, ENGINEERING, LAW, ECOLOGY, SOCIETIES
الشركة/الكيان: ECOLOGICAL Society of America